Santiago de Compostela Weather & Climate: Best Time to Visit

Depending on the time of the year, temperatures range from comfortable to moderate in Santiago de Compostela. On average, daytime temperatures range from a comfortable 25°C (77°F) in August to a moderate 13°C (55°F) in January.

Nighttime temperatures range from 15°C (59°F) in August to 6°C (43°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Santiago de Compostela has a relatively rainy climate with high precipitation levels, averaging 1368 mm (54 in) of rainfall annually. The seasons in Santiago de Compostela bring significant changes in precipitation. The wettest month, November, receives heavy rainfall, with an average of 168 mm (6.6 in) of precipitation. This rainfall is distributed across 19 rainy days.

In contrast, the driest month, July, experiences much less rainfall, totaling 37 mm (1.5 in) over 9 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Santiago de Compostela Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

In Santiago de Compostela, summer days are longer and more sunny, with daily sunshine hours peaking at 8.2 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 2.8 hours per average day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Santiago de Compostela.

The city experiences its highest humidity in November, reaching 86%. In June, the humidity drops to its lowest level at 74%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year